Hi Alex,
1.What is the error message prompted when domain account failed to access Microsoft Store and preinstalled applications?
2.For 3rd computer, if only the domain user that joint before upgrade has access to the windows Store? How about other domain users?
3.I have already tried uninstalling and reinstalling the store with the PowerShell with no luck.
Is there any error message?
4.Here is a reference link that instructs two kinds of possible causes that might lead to Windows Store app.
https://learn.microsoft.com/en-us/troubleshoot/windows-client/shell-experience/microsoft-store-apps-fail-to-start
Looking forward to your reply.
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Thanks,
Jenny